clc
clear all

% A  = logspace(1, pi, 6)
% student(1).name = 'pangxiaol';
% student(1).age = 22;
% student(2).name = 'pangyazhou';
% student(2).age = 32;
% 
% haha(1).name = 'pangxiaol';
% haha(1).age = 22;
% haha(2).name = 'pangyazhou';
% haha(2).age = 32;

% cellArray = cell(2, 2)
% cellArray(1, 1) = {[1 2 3; 4 5 6;7 8 9]};
% cellArray(1, 2) = {'hello world'};
% cellArray(2, 1) = {1 + 2i}
% cellArray(2, 2) = {0:pi / 10:pi};

M = [1:100;100:-1:1];
